Keystones — Lintel
Five GCSE retrieval questions · 1 April 2025 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
What is the next term? 2, 6, 18, 54, ...
Answer: 162 -
3. Geometry
A circle has area 530.9cm². Find its radius (dp)
Answer: 13cm -
4. Ratio
Simplify: 15:9:9
Answer: 5:3:3 -
5. Statistics
Calculate the mean of: 30, 46, 32, 20, 35, 28
Answer: 31.8